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10:50 am
Silver
March 13, 2019
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a third question, if I may ...
I'm using an area to display the difference between two lines.
diff = line1(1:maxCount) - line2(1:maxCount);
a = area(line1.Timestamps(1:maxCount), diff(1:maxCount));
How could I change the color depending on the resulting value? E.g. everything in 'green' except if values '<5' which should be displayed in 'red'.
The area starts below zero:
set (a, 'BaseValue', min-2.5)
Thanks for your help
1:02 pm
Moderators
March 7, 2017
Offline
This example shows conditional formatting:
https://www.mathworks.com/help/thingspeak/Plot-Temperature-and-Wind-Speed-on-Two-Different-Axes.html
1:41 am
Silver
March 13, 2019
Offline
hmm, maybe my question was not as precise as it should have been...
I'm looking for a way to paint an area in two different cvolors depending on its value, e.g. as in this example from my Raspberry Pi where the area is either 'green' or 'red'. The color depends on the result of the maths from 'line1 - line2'.
How could I do that in MATLAB?
10:21 am
Moderators
March 7, 2017
Offline
This is not quite what you wanted, but its closer. It uses the color property of the scatter plot.
x=1:200;
myVals=10*rand(1,200);
sameVals=ones(200,1);
plot(x,myVals);
hold
scatter(x,sameVals,sz,myVals,'filled','s')
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